/**
 * About page styles.
 *
 * Enqueued by functions.php when is_page_template('page-about.php') is true.
 * All tokens (colors, typography, spacing, --maxw, --gutter) come from
 * assets/css/aitrixa.css — never hardcode hex/sizes/spacing here.
 *
 * Source of truth: /pages/Aitrixa About Us.html
 *
 * Sections: Hero → Stats → Differentiators → Narrative.
 *
 * Note on .ab-diff__title em: the mock explicitly sets font-style: normal
 * on the <em> inside the differentiator title — the tag is preserved for
 * semantic emphasis, but rendered upright (overrides docs/07).
 */

/* ============================================================
   1. HERO — centered editorial header
   ============================================================ */
.ab-hero {
	background: var(--page);
	border-bottom: 1px solid var(--line);
	text-align: center;
	padding: clamp(56px, 10vh, 130px) var(--gutter) clamp(48px, 8vh, 100px);
}

.ab-hero__eyebrow {
	font-family: var(--font-mono);
	font-size: 13px;
	letter-spacing: .28em;
	text-transform: uppercase;
	color: var(--mute);
	margin-bottom: 28px;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 16px;
}
.ab-hero__eyebrow::before,
.ab-hero__eyebrow::after {
	content: '';
	display: block;
	width: 40px;
	height: 1px;
	background: var(--line);
}

.ab-hero h1 {
	font-family: var(--font-serif);
	font-weight: 400;
	font-size: clamp(44px, 7vw, 112px);
	line-height: .92;
	letter-spacing: -.03em;
	color: var(--ink);
	max-width: 900px;
	margin: 0 auto 36px;
}
.ab-hero h1 em {
	font-style: italic;
	color: var(--mute);
}

.ab-hero__sub {
	font-family: var(--font-sans);
	font-size: 15px;
	line-height: 1.7;
	color: var(--body);
	max-width: 520px;
	margin: 0 auto;
}

/* ============================================================
   2. STATS — 3-up mono row on silver
   ============================================================ */
.ab-stats {
	background: var(--panel-2);
	border-bottom: 1px solid var(--line);
}
.ab-stats__inner {
	max-width: var(--maxw);
	margin: 0 auto;
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	border-left: 1px solid var(--line);
}
.ab-stat {
	padding: 28px 32px;
	border-right: 1px solid var(--line);
	font-family: var(--font-mono);
	font-size: 13px;
	letter-spacing: .16em;
	text-transform: uppercase;
	color: var(--mute);
	line-height: 1.5;
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
}
.ab-stat strong {
	display: block;
	font-family: var(--font-serif);
	font-size: clamp(26px, 3vw, 38px);
	font-weight: 400;
	letter-spacing: -.02em;
	text-transform: none;
	color: var(--ink);
	margin-bottom: 6px;
}

/* ============================================================
   3. DIFFERENTIATORS — header + 2-up bordered card grid on silver
   ============================================================ */
.ab-diff {
	background: var(--panel-2);
	border-bottom: 1px solid var(--line);
}
.ab-diff__inner {
	max-width: var(--maxw);
	margin: 0 auto;
	padding: clamp(56px, 9vh, 112px) var(--gutter);
}

.ab-diff__header {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(32px, 5vw, 80px);
	align-items: end;
	margin-bottom: clamp(40px, 6vh, 64px);
	padding-bottom: 20px;
	border-bottom: 1px solid var(--line);
}
.ab-diff__label {
	font-family: var(--font-mono);
	font-size: 16px;
	letter-spacing: .2em;
	text-transform: uppercase;
	color: var(--mute);
	margin-bottom: 16px;
}
.ab-diff__title {
	font-family: var(--font-serif);
	font-weight: 400;
	font-size: clamp(26px, 3.2vw, 42px);
	line-height: 1.08;
	letter-spacing: -.025em;
	color: var(--ink);
}
/* Mock keeps <em> upright — semantic only, no italic. */
.ab-diff__title em {
	font-style: normal;
	color: var(--ink);
}

.ab-diff__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0;
	border-left: 1px solid var(--line);
}
.ab-diff__card {
	padding: clamp(32px, 4vw, 56px);
	border-right: 1px solid var(--line);
	border-top: 1px solid var(--line);
	display: flex;
	flex-direction: column;
	gap: 20px;
}
.ab-diff__card-num {
	font-family: var(--font-mono);
	font-size: 10px;
	letter-spacing: .24em;
	text-transform: uppercase;
	color: var(--mute);
}
.ab-diff__card-title {
	font-family: var(--font-serif);
	font-weight: 400;
	font-size: clamp(20px, 2vw, 26px);
	letter-spacing: -.015em;
	line-height: 1.1;
	color: var(--ink);
}
.ab-diff__card-text {
	font-size: 14px;
	line-height: 1.8;
	color: var(--body);
}

/* ============================================================
   4. NARRATIVE — 2-col editorial on white with hairline divider
   ============================================================ */
.ab-narrative {
	background: var(--white);
	border-bottom: 1px solid var(--line);
}
.ab-narrative__inner {
	max-width: var(--maxw);
	margin: 0 auto;
	padding: clamp(56px, 9vh, 120px) var(--gutter);
	display: grid;
	grid-template-columns: 1fr 2px 1fr;
	gap: 0 clamp(40px, 5vw, 96px);
}
.ab-narrative__divider {
	background: var(--line-soft);
	width: 1px;
	margin: 0 auto;
}
.ab-narrative__col {
	display: flex;
	flex-direction: column;
	gap: 28px;
}
.ab-narrative__label {
	font-family: var(--font-mono);
	font-size: 10px;
	letter-spacing: .26em;
	text-transform: uppercase;
	color: var(--mute);
	padding-bottom: 16px;
	border-bottom: 1px solid var(--line-soft);
}
.ab-narrative__heading {
	font-family: var(--font-serif);
	font-weight: 400;
	font-size: clamp(26px, 2.8vw, 38px);
	line-height: 1.1;
	letter-spacing: -.02em;
	color: var(--ink);
}
.ab-narrative__text {
	font-size: 14.5px;
	line-height: 1.8;
	color: var(--body);
}
.ab-narrative__text p + p {
	margin-top: 1em;
}

/* ============================================================
   RESPONSIVE — mock breakpoints (do not invent new ones)
   ============================================================ */

/* ≤ 960px — narrative stacks; differentiator grid + header stack. */
@media (max-width: 960px) {
	.ab-diff__header { grid-template-columns: 1fr; }
	.ab-diff__grid { grid-template-columns: 1fr; }
	.ab-narrative__inner { grid-template-columns: 1fr; }
	.ab-narrative__divider { display: none; }
}

/* ≤ 720px — stats collapse to 2-up. */
@media (max-width: 720px) {
	.ab-stats__inner { grid-template-columns: 1fr 1fr; }
	.ab-stat:nth-child(2) { border-right: none; }
	.ab-stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

/* ≤ 480px — stats stack 1-up. */
@media (max-width: 480px) {
	.ab-stats__inner { grid-template-columns: 1fr; }
	.ab-stat { border-right: none; border-bottom: 1px solid var(--line); }
	.ab-stat:last-child { border-bottom: none; }
}